Hierarchy ni Oyogu Shinkaigyo wa Yume wo Miru

Overview

Replicants are beings made by humans in their own image. Such a replicant boy called Kip and his childhood friend Sierra somehow escape from Mars' concentration camp and together they seek a young man that escaped before them. However, what follows is their encounter with a man called Nailheart -- a replicant who hunts other replicants.

Source: AniList